55b6b021f1
Summary: Fixed the layout usage in QPL, the `horizontal` was correct, but the elements where swapped (the table was supposed to take all remaining size, and sidebar it's needed space, rather than the reverse). Made this more explicit in the Layout component, by splitting it up in `Layout.(Top|Left|Right|Bottom)`, so that one has to make an explicit choice here, making it less error prone. Reviewed By: passy Differential Revision: D21572438 fbshipit-source-id: 29aa3462a3c96d048825be3157730e26182cb2fa